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Diagnosis Procedure
1.Check data monitor
M.U.T.-III SE
  1. Connect the electric driven intelligent brake unit wiring harness connector.
  2. Connect the battery negative terminal.
  3. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  4. Repeat Step 3 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  5. Start the M.U.T.-III SE, then select "EBA" and "Data List" in order.
  6. Check "Battery Voltage" (Refer to Reference Value).
Is the inspection result normal?
Check the connection of the 12V battery terminal. Refer to Precautions for Removing Battery Terminal.
 
2.Checking connector terminal
  1. Change the power supply mode of the electric motor switch to OFF, then disconnect the M.U.T.-III SE from the data link connector.
  2. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  3. Check the connection of the 12V battery terminal. Refer to Precautions for Removing Battery Terminal.
  4. Disconnect the electric driven intelligent brake unit wiring harness connector and the pedal position sensor. Then, check that the pin terminal and its connection is normal.
Is the inspection result normal?
Repair / replace harness or connector, securely lock the connector.
 
3.Self-diagnosis
M.U.T.-III SE
  1. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  2. Repeat Step 1 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  3. Change the power supply mode of the electric motor switch to OFF, then disconnect the M.U.T.-III SE from the data link connector.
  4. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  5. Change the power supply mode of the electric motor switch to ON (READY indicator: OFF).
    cautionDo not set the vehicle to the READY status.
  6. Start the M.U.T.-III SE, then erase the DTC set in "EBA".
  7. Change the power supply mode of the electric motor switch to OFF, then disconnect the M.U.T.-III SE from the data link connector.
  8. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  9. Change the power supply mode of the electric motor switch to ON (READY indicator: OFF).
    cautionDo not set the vehicle to the READY status.
  10. Depress the brake pedal 100 mm (3.9in) or more, the keep that state for 5 seconds or more.
  11. Release the brake pedal.
  12. Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is DTC “C18E1-07” detected?
Replace the electric driven intelligent brake unit. Refer to Removal and installation.
INSPECTION END